AxibugEmuOnline/AxibugEmuOnline.Client/Assets/VirtualNes.Core/Mapper/Mapper133.cs

35 lines
894 B
C#

//////////////////////////////////////////////////////////////////////////
// Mapper133 SACHEN CHEN //
//////////////////////////////////////////////////////////////////////////
using static VirtualNes.MMU;
namespace VirtualNes.Core
{
public class Mapper133 : Mapper
{
public Mapper133(NES parent) : base(parent)
{
}
public override void Reset()
{
SetPROM_32K_Bank(0);
SetVROM_8K_Bank(0);
}
//void Mapper133::WriteLow(WORD addr, BYTE data)
public override void WriteLow(ushort addr, byte data)
{
if (addr == 0x4120)
{
SetPROM_32K_Bank((data & 0x04) >> 2);
SetVROM_8K_Bank(data & 0x03);
}
CPU_MEM_BANK[addr >> 13][addr & 0x1FFF] = data;
}
}
}